package com.example.javabasic.shejimoshi.mingling.demo1;
//调用者
public class Invoker {
    private Command command;

    public Invoker(Command command) {
        this.command = command;
    }

    public void setCommand(Command command){
        this.command = command;
    }

    public void call(){
        System.out.println("调用者执行命令 command"+ command);
        //执行
        command.execute();
    }
}
